1977 Westsail 28 vs 1974 O'Day 23 — Comparison

1977 Westsail 28
VS
1974 O'Day 231974 O'Day 23

Specifications Side by Side

Specification1977 Westsail 281974 O'Day 23
General
ManufacturerWestsailO'Day
Year1977–19831974–1983
TypeCutterSloop
CountryUSAUSA
DesignerWilliam CrealockC. Raymond Hunt
Dimensions
LOA8.53 m (28.0 ft)6.93 m (22.7 ft)
LWL7.01 m (23.0 ft)5.79 m (19.0 ft)
Beam2.90 m (9.5 ft)2.24 m (7.3 ft)
Draft1.37 m (4.5 ft)1.02 m (3.3 ft)
Weight
Displacement5,443 kg (12,000 lbs)816 kg (1,799 lbs)
Ballast2,268 kg (5,000 lbs)295 kg (650 lbs)
Sailing
Sail Area34.0 m² (366 ft²)17.5 m² (188 ft²)
Hull MaterialFiberglassFiberglass
Keel TypeFullFin
Engine & Tanks
Engine18 HP5 HP
Fuel Capacity76 L (20.1 gal)11 L (2.9 gal)
Water Capacity151 L (39.9 gal)15 L (4.0 gal)
Accommodation
Berths44
Cabins11

Performance Comparison

SA/D Ratio (Higher = more sail power per displacement)
1977 Westsail 28
11.16
1974 O'Day 23
20.38
Ballast Ratio (Higher = more stability)
1977 Westsail 28
41.67
1974 O'Day 23
36.15
Capsize Ratio (Lower = safer offshore)
1977 Westsail 28
0.66
1974 O'Day 23
0.96
Comfort Ratio (Higher = gentler motion)
1977 Westsail 28
36.34
1974 O'Day 23
11.39

Detailed Comparison

The 1977 Westsail 28 and 1974 O'Day 23 represent different approaches to sailboat design. The 1977 Westsail 28 is a 1970s design by Westsail from USA, while the 1974 O'Day 23 is a 1970s offering from O'Day from USA. The 1977 Westsail 28 was penned by William Crealock. The 1974 O'Day 23 was designed by C. Raymond Hunt.

In terms of size, the 1977 Westsail 28 measures 8.53m (28.0ft) overall with a beam of 2.90m, compared to the 1974 O'Day 23 at 6.93m (22.7ft) with a 2.24m beam. The 1977 Westsail 28 is 1.60m longer than the 1974 O'Day 23. The 1977 Westsail 28 displaces approximately 567% more than its counterpart, which significantly affects how each boat handles in different sea states.

Looking at performance, the 1977 Westsail 28 has modest sail power for its displacement with an SA/D ratio of 11.16 and 34.0 m² of sail area. The 1974 O'Day 23, with an SA/D of 20.38 and 17.5 m² of canvas, offers generous sail power for spirited sailing. The 1974 O'Day 23 has the edge in terms of raw sailing performance.

For comfort and safety, the 1977 Westsail 28 offers a comfortable motion suitable for extended cruising (comfort ratio: 36.3) and excellent capsize resistance suitable for offshore voyaging (capsize ratio: 0.66). The 1974 O'Day 23 has a comfort ratio of 11.4 and a capsize screening value of 0.96. The ballast ratios are 41.7% for the 1977 Westsail 28 and 36.2% for the 1974 O'Day 23, reflecting their respective approaches to stability.

Below deck, the 1977 Westsail 28 provides 4 berths in 1 cabin with 151L of water capacity and 76L of fuel. The 1974 O'Day 23 offers 4 berths in 1 cabin with 15L water and 11L fuel capacity.

Verdict

For cruising: The 1977 Westsail 28 is the better choice for comfortable cruising thanks to its higher comfort ratio, offering a gentler motion at sea that crews will appreciate on longer passages.

For racing: The 1974 O'Day 23 has the performance advantage with its superior SA/D ratio, meaning more sail power relative to its displacement for competitive sailing.

For liveaboard: Both boats provide similar accommodation, making either a viable choice for living aboard. Consider water and fuel capacity for extended stays away from marinas.

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